Home / 51,169.05-70,608.47-28,505.73

Finding the Fourth Proportional to 51,169.05, 70,608.47 and 28,505.73

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Solution

The fourth proportional to 51,169.05, 70,608.47 and 28,505.73 is: 39,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.05 : 70,608.47 = 28,505.73 : x
  2. Step 2: Convert to fraction form
    51,169.05/70,608.47 = 28,505.73/x
  3. Step 3: Cross multiply
    51,169.05x = 70,608.47 × 28,505.73
  4. Step 4: Simplify right side
    51,169.05x = 2,012,745,839.00
  5. Step 5: Solve for x
    x = 2,012,745,839.00/51,169.05
  6. Step 6: Final answer
    x = 39,335.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.